This video is on finding the equation of a line given 2 points. Both the slope formula and point-slope form are used in the process. Also, there are fractions in this one. :)
Questions answered by this video:
How do you find the equation of a line given two points using the slope formula?
What is the slope formula?
What is the equation for the line through the points (-5, -4) and (-2, -9)?
What are x1, y1, x2, and y2 in the slope formula?
How do you find the slope between two points?
What is point-slope form and how do you use it?
How can you change an equation from point-slope form into slope-intercept form?
Staff Review
Currently 4.0/5 Stars.
This lesson is a great introduction to finding slope between two points and then using point-slope form to find the equation of the line between the points. All steps involved with finding slope and plugging the points and the slope into the point-slope equation are shown and explained.